Which situation requires you to furnish a notice of marine casualty to the Coast Guard?

A
You collide with a buoy and drag it off station with no apparent damage to the vessel or the buoy.
B
A seaman slips on ice on deck and sprains his ankle, requiring an ace bandage.
C
Your vessel is at anchor and grounds at low tide with no apparent damage.
D
Storm damage to the cargo winch motors requiring repairs costing $19,000.
E